Osa Weather (Next 3 days): The snow forecast for Osa is: Mostly dry. Freeze-thaw conditions (max 12°C on Sun morning, min -2°C on Mon night). Wind will be generally light.
Osa Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 6°C on Tue morning, min -3°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Thu afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 3 |  | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Osa:
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | |  | | | | |  | | | |  | | | | |
cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | clear | cloudy | some clouds | some clouds | snow shwrs | clear | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 10 | 10 | 7 | 12 | 11 | 6 | 6 | 3 | -2 | 6 | 6 | 2 | 4 | 4 | 1 | 5 | 5 | 2 |
min °C | 6 | 7 | 5 | 10 | 8 | 4 | 5 | 0 | -2 | 1 | 1 | -1 | 3 | 1 | -3 | 1 | 1 | 1 |
3 | 4 | 2 | 8 | 6 | 0 | 2 | -5 | -7 | 1 | -2 | -5 | -2 | -5 | -6 | -2 | 0 | -2 | |
43 | 44 | 88 | 84 | 70 | 76 | 86 | 79 | 77 | 36 | 44 | 57 | 64 | 49 | 95 | 47 | 56 | 86 | |
2600 | 2150 | 2650 | 3050 | 3050 | 2450 | 1400 | 1150 | 350 | 950 | 1300 | 950 | 900 | 1050 | 600 | 850 | 1300 | 950 | |
 | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — |
 | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — |
Mostly dry. Freeze-thaw conditions (max 12°C on Sun morning, min -2°C on Mon night). Wind will be generally light.
Mostly dry. Freeze-thaw conditions (max 6°C on Tue morning, min -3°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Thu afternoon).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Feb 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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